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polygraph (1 janv. 1921 – 1 janv. 1921)

Description:

Its a lie detector that measures the stress, breath pattern, blood pressure, pulse rate and perspiration of a person to see if they are lying.

Ajouté au bande de temps:

Digital Timeline Project - Anna Chung

10 oct. 2023

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141

Date:

1 janv. 1921

1 janv. 1921

~ 0 min

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